Browsing by Author "Sowande, olugbenga , A."
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Item Short-Term Variation of Duty Cycle in the VHF and UHF Bands(IEEE, 2015-12-21) Babalola, O., D.; Garba, Emorseh; Temitope, O., I.; Bamiduro, A., S.; Faruk, Nasir; Sowande, olugbenga , A.; Bello, Olayiwola , W.; Ayeni, A.,A.; Muhammad, M., Y.worrisome with respect to scarce resources of the radio spectrum. TV bands, spanning across has being in existence for quite a while now and much of the frequency bands, within these range, have been allocated to FM stations, TV stations and DTV stations in Nigeria. In this paper we conducted a 24-hours outdoor measurement of spectrum occupancy in both rural and urban locations in Kwara State, Nigeria, spanning across the frequency range of 48.5 MHz – 870 MHz. The results obtained show that TV band 3 was the most occupied TV band in both rural and urban areas, with occupancy of up 20.26% and 37.27% respectively. Also the mean average of the duty cycle in the urban location is 12.02% compared to 2.58% in the rural locations. Findings from this measurements show that there is ample opportunity for deployment of software defined radio for a more efficient utilization of the spectrum.